| |||
| 二次搬运 | |||
| 二次装卸 | |||
| 双重转运; 双重处理; 两次转运 | |||
| 交替运转 | |||
| |||
| 两次转运 | |||
| 二次转运 | |||
|
double handling : 4 phrases in 2 subjects |
| Hydroelectric power stations | 1 |
| Technology | 3 |
| |||
| 二次搬运 | |||
| 二次装卸 | |||
| 双重转运; 双重处理; 两次转运 | |||
| 交替运转 | |||
| |||
| 两次转运 | |||
| 二次转运 | |||
|
double handling : 4 phrases in 2 subjects |
| Hydroelectric power stations | 1 |
| Technology | 3 |